Abstract
The adaptabilities of 31 poplar species in Minqin were studied by cutting in April 2006.The growth of cuttings of different poplar species was monitored.The results showed that the rooting time,cutting survival ratio,height and basal diameter of different species were considerably different.There is very significant positive correlation between height growth and basal diameter growth.The regressive equation is y=1.1572 x-0.1857(R2=0.8597).Through cluster analysis on survival ratio,height and basal diameter,it was revealed that the adaptabilities of P.deltoides × cathayana CL.'Zhongsui―4',P.×'Neimengensis―30',(P.×xiaozhuanica cv.'Chifengensis')× P.pyramidalis and P.× euramericana Guinier cv.'Sacrau―79'were very good.The survival ratio is higher than 50 %,the height and basal diameter are bigger than 1.3 m and 1.4 cm respectively.These four species can be the priority species for farmland shelter forest.The adaptability of P.davidiana×P.charbinensis C.Wang et Skv.cv.'Hebei-yixian―2',P.langfanggensis Wang No.4,Populus 'ZGY'were good.The survival ratio is higher than 50 %,the height and basal diameter are bigger than 1 m and 1 cm respectively.The performance of P.deltoids cv.I―69/55 was special,the survival ratio was lower than 10 %,however the height and basal diameter are bigger than 1.5 m and 1.5 cm respectively.This species can be utilized after the survival rate is increased.
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Claims 16
Claim · model-written summary
Rooting time and cutting survival ratio differed considerably among poplar species.
PopulusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e1“The results showed that the rooting time,cutting survival ratio,height and basal diameter of different species were considerably different”
Claim · model-written summary
Height and basal diameter differed considerably among poplar species.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e1“The results showed that the rooting time,cutting survival ratio,height and basal diameter of different species were considerably different”
Claim · model-written summary
Height growth and basal diameter growth were very significantly positively correlated.
- Outcome
- height growthe2
- Direction
- very significant positive correlatione2
- Comparator
- basal diameter growthe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e2“There is very significant positive correlation between height growth and basal diameter growth”
Claim · model-written summary
The regression equation for height and basal diameter growth had R2 = 0.8597.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e3“The regressive equation is y=1.1572 x-0.1857(R2=0.8597)”
Claim · model-written summary
Four poplar species had very good adaptability on cluster analysis of survival, height and basal diameter.
- Outcome
- very goode4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e4“were very good.The survival ratio is higher than 50 %,the height and basal diameter are bigger than 1.3 m and 1.4 cm respectively”
Claim · model-written summary
The four best poplar species had a survival ratio higher than 50%.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e4“were very good.The survival ratio is higher than 50 %,the height and basal diameter are bigger than 1.3 m and 1.4 cm respectively”
Claim · model-written summary
The four best poplar species had height bigger than 1.3 m.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e4“were very good.The survival ratio is higher than 50 %,the height and basal diameter are bigger than 1.3 m and 1.4 cm respectively”
Claim · model-written summary
The four best poplar species had basal diameter bigger than 1.4 cm.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e4“were very good.The survival ratio is higher than 50 %,the height and basal diameter are bigger than 1.3 m and 1.4 cm respectively”
Claim · model-written summary
These four poplar species can be priority species for farmland shelter forest.
- Outcome
- priority species for farmland shelter foreste5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e5“These four species can be the priority species for farmland shelter forest”
Claim · model-written summary
Three further poplar species had good adaptability.
- Outcome
- goode6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e6“'ZGY'were good.The survival ratio is higher than 50 %,the height and basal diameter are bigger than 1 m and 1 cm respectively”
Claim · model-written summary
The three further poplar species had survival ratio higher than 50%.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e6“'ZGY'were good.The survival ratio is higher than 50 %,the height and basal diameter are bigger than 1 m and 1 cm respectively”
Claim · model-written summary
The three further poplar species had height bigger than 1 m.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e6“'ZGY'were good.The survival ratio is higher than 50 %,the height and basal diameter are bigger than 1 m and 1 cm respectively”
Claim · model-written summary
The three further poplar species had basal diameter bigger than 1 cm.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e6“'ZGY'were good.The survival ratio is higher than 50 %,the height and basal diameter are bigger than 1 m and 1 cm respectively”
Claim · model-written summary
Poplar P.deltoids cv. I-69/55 had a survival ratio lower than 10%.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e0“the survival ratio was lower than 10 %”
Claim · model-written summary
P.deltoids cv. I-69/55 had height bigger than 1.5 m.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e7“the height and basal diameter are bigger than 1.5 m and 1.5 cm respectively”
Claim · model-written summary
P.deltoids cv. I-69/55 had basal diameter bigger than 1.5 cm.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Different Poplar Species”
e7“the height and basal diameter are bigger than 1.5 m and 1.5 cm respectively”